Back to today’s briefing

Story perspectives

Exoplanet K2-18b May Harbor Signs of Life

4/25/2025

25 2

Summary

Story summary

Astronomers have made a thrilling discovery of potential biosignatures—dimethyl sulfide (DMS) and dimethyl disulfide (DMDS)—in the atmosphere of exoplanet K2-18b, a staggering 124 light years away. Yet, the quest for confirmation is fraught with challenges, as the James Webb Space Telescope grapples with atmospheric intricacies and stellar interference that cloud the search for extraterrestrial life.

1 of 1

Story summary

Astronomers have made a thrilling discovery of potential biosignatures—dimethyl sulfide (DMS) and dimethyl disulfide (DMDS)—in the atmosphere of exoplanet K2-18b, a staggering 124 light years away. Yet, the quest for confirmation is fraught with challenges, as the James Webb Space Telescope grapples with atmospheric intricacies and stellar interference that cloud the search for extraterrestrial life.